/*! 
    \file quick_animation.h
    \brief Definition of the QuickAnimation-class

*/

#ifndef _QUICK_ANIMATION_H
#define _QUICK_ANIMATION_H

#include "base_object.h"

// FORWARD DEFINITION




//! A class for that linearely interpolates between multiple values.
/**
   to be quick this only has the capability to store very little date

   this class is optimized for a raising value. eg. 100 particles sorted
   by age.
*/
class QuickAnimation : public BaseObject {

 public:
  //! a simple struct that stores keyframes for the QuickAnimation-Class.
  struct QuickKeyFrame
  {
    float valueStart;       //!< The starting value of this KeyFrame
    float valueEnd;         //!< The end value of this KeyFrame
    float positionStart;    //!< The starting position of this KeyFrame
    float positionEnd;      //!< The end position of thies KeyFrame

    QuickKeyFrame* next;    //!< The next Animation
  };

  QuickAnimation(float rangeStart = 0.0, float valueStart = 0.0, float rangeEnd = 1.0, float valueEnd = 0.0);
  virtual ~QuickAnimation();

  void addEntry(float position, float value);

  float getValue(float position);

 private:
  QuickKeyFrame* first;
  QuickKeyFrame* current;

};

#endif /* _QUICK_ANIMATION_H */